Files
stationeers_lang/csharp_mod/SlangPlugin.cs

120 lines
3.4 KiB
C#

using System;
using System.IO;
using System.Reflection;
using System.Runtime.InteropServices;
using BepInEx;
using HarmonyLib;
namespace Slang
{
class L
{
private static BepInEx.Logging.ManualLogSource _logger;
public static void SetLogger(BepInEx.Logging.ManualLogSource logger)
{
_logger = logger;
}
public static void Debug(string message)
{
_logger.LogDebug(message);
}
public static void Info(string message)
{
_logger.LogInfo(message);
}
public static void Error(string message)
{
_logger.LogError(message);
}
public static void Warning(string message)
{
_logger.LogWarning(message);
}
}
[BepInPlugin(PluginGuid, PluginName, "0.1.0")]
public class SlangPlugin : BaseUnityPlugin
{
public const string PluginGuid = "com.dbidwell94.slang";
public const string PluginName = "Slang";
const string RUST_DLL_NAME = "slang.dll";
private readonly string[] SLANG_KEYWORDS = { "let ", "fn " };
/// <summary>Takes raw `Slang` source code and compiles it into IC10</summary>
[DllImport(RUST_DLL_NAME, CallingConvention = CallingConvention.Cdecl)]
private static extern IntPtr compile_from_string(string input);
/// <summary>Frees memory that was allocated by the FFI call to `compile_from_string`</summary>
[DllImport(RUST_DLL_NAME, CallingConvention = CallingConvention.Cdecl)]
private static extern void free_slang_string(IntPtr ptr);
public static string Compile(string source)
{
if (string.IsNullOrEmpty(source))
return "";
IntPtr ptr = compile_from_string(source);
try
{
return Marshal.PtrToStringAnsi(ptr);
}
finally
{
free_slang_string(ptr);
}
}
public static bool IsSlangSource(ref string input)
{
return true;
}
private void Awake()
{
L.SetLogger(Logger);
ExtractNativeDll(RUST_DLL_NAME);
var harmony = new Harmony("com.dbidwell94.slang");
harmony.PatchAll();
}
private void ExtractNativeDll(string fileName)
{
string destinationPath = Path.Combine(Path.GetDirectoryName(Info.Location), fileName);
Assembly assembly = Assembly.GetExecutingAssembly();
using (Stream stream = assembly.GetManifestResourceStream(fileName))
{
if (stream == null)
{
Logger.LogError(
$"{RUST_DLL_NAME} compiler not found. This means it was not embedded in the mod. Please contact the mod author!"
);
return;
}
try
{
using (FileStream fileStream = new FileStream(destinationPath, FileMode.Create))
{
stream.CopyTo(fileStream);
}
}
catch (IOException e)
{
Logger.LogWarning(
$"Could not overwrite {fileName} (it might be in use): {e.Message}"
);
}
}
}
}
}